ABI Mini Pulse III fusion welder. Condition is "Pre-owned"and in excellent condition. Everything works as it should. For jewelers, goldsmiths, silversmiths, clock makers, mechanics, machinists, etc. This unit sells for about 3K new. Used in jewelry repair of all types from sizing rings to prong retipping to porosity filling to soldering jump rings and links. Welds all metals: gold, platinum, silver, copper, brass, aluminum, titanium. Everything pictured comes with it - including product/jewelry use literature. Argon does not have to be used when welding, just more oxidation produced so more of a cleanup. Argon gauge is included, but the argon tank is not. Check out their website at www.abiusa.net